The COVID-19 pandemic has caused a significant healthcare burden and remains a heavily researched disease entity. Originating in Wuhan, China in late 2019, SARS-CoV-2 has infected over 600 million individuals worldwide. ABO blood groups have been known to increase the human body's susceptibility to different pathogens, such as hepatitis B virus, MERS-COV, SARS-COV, norovirus, and malaria, to name a few. As such, the association of ABO blood groups and COVID-19 infection and disease severity has come into question.
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Length of hospital stay
Timeframe: Length of total hospital stay from admission in the hospital is defined as the time frame between admission and discharge. The time frame of collection until the event occurred was 360 days.
Hospital Mortality
Timeframe: 28 days
Discharge disposition
Timeframe: 360 days